#include <stdlib.h>
#include <stdio.h>

int main ()
{
    int * p;
    char * s = "nihao";
    short x = 1;
    int n = 4;
    n += n++;
    //(n++) += (n++);
    //(++n) += (n++);
    printf ("%d\n", n);
    switch (x)
    {
        case 1 : {printf("nihao\n");break;}
        default : break;
    }
    return 0;
}
